/***
	Copyright (c) 2008-2011 CommonsWare, LLC
	Licensed under the Apache License, Version 2.0 (the "License"); you may not
	use this file except in compliance with the License. You may obtain	a copy
	of the License at http://www.apache.org/licenses/LICENSE-2.0. Unless required
	by applicable law or agreed to in writing, software distributed under the
	License is distributed on an "AS IS" BASIS,	WITHOUT	WARRANTIES OR CONDITIONS
	OF ANY KIND, either express or implied. See the License for the specific
	language governing permissions and limitations under the License.
	
	From _The Busy Coder's Guide to Advanced Android Development_
		http://commonsware.com/AdvAndroid
*/

package com.commonsware.android.feedfrags;

import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class FeedsFragment extends PersistentListFragment {
	private OnFeedListener listener=null;
	private ArrayAdapter<Feed> adapter=null;
	private Bundle state=null;
	
	@Override
	public void onActivityCreated(Bundle state) {
		super.onActivityCreated(state);
		
		this.state=state;
	}
	
	@Override
	public void onResume() {
		super.onResume();
		
		loadFeeds();
		restoreState(state);
	}

	@Override
	public void onListItemClick(ListView l, View v, int position,
															long id) {
		super.onListItemClick(l, v, position, id);
		
		if (listener!=null) {
			listener.onFeedSelected(adapter.getItem(position));
		}
	}
	
	public void addNewFeed(Feed feed) {
		adapter.add(feed);
	}

	private void loadFeeds() {
		adapter=new ArrayAdapter<Feed>(getActivity(), R.layout.row,
																		Feed.getFeeds());
		setListAdapter(adapter);
	}
	
	public void setOnFeedListener(OnFeedListener listener) {
		this.listener=listener;
	}
	
	public interface OnFeedListener {
		void onFeedSelected(Feed feed);
	}
}
